MESON Chess Problem Database
Problem Display
PID: 23150 (8/8/R7/3K4/pk6/1n6/1P6/1Q6 w - - 0 1)
Lincoln, Robert A
Fun with Chess Miniatures, 1996
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...Sa5
- 2.Rb6#
- 1...Sa5
- Tries
- 1.Qa2?
- threat
- 2.Qxa4#
- 1...Kb5
- 2.Qxa4#
- 1...Sa5
- 2.Rb6#
- 1...Sc5
- 2.Qc4#
- 1...a3!
- threat
- 1.Qd3?
- threat
- 2.Qc4#
- 1...Sa5
- 2.Rb6#
- 1...Sd2!
- threat
- 1.Qe4+?
- 1...Kb5
- 2.Qxa4#
- 2.Qc4#
- 1...Sd4!
- 1...Kb5
- 1.Qg6?
- threat
- 2.Qb6#
- 1...Kb5
- 2.Qb6#
- 1...Sd4!
- threat
- 1.Qf1?
- threat
- 2.Qc4#
- 1...Sa5
- 2.Rb6#
- 1...Sd2!
- threat
- 1.Qa2?
- Keys
- 1.Qc2!
- threat
- 2.Qc4#
- 1...Kb5
- 2.Qc4#
- 1...Sd2
- 2.Qxa4#
- 1...Sa5
- 2.Rb6#
- threat
- 1.Qc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(a);SBLOCK::R(D)
- Tries
- Try
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- K(c);P-FLIGHT::QAB1(A),XP(b)
- S(a);SBLOCK::R(D)
- S(a);OGATE::QAR1(A)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(a);SBLOCK::R(D)
- Refutation
- S(a);
- Try
- Q(A);CHECK
- Refutation
- S(a);P_SPINS(a)
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(c);P-FLIGHT::QAR1(A)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- S(a);SBLOCK::R(D)
- Refutation
- S(a);
- Try
- Actual
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(c);P-FLIGHT::QAB1(A)
- S(a);OGATE::QAR1(A),XP(b)
- S(a);SBLOCK::R(D)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).